Math, asked by nagellaarunakumari, 1 year ago

Simplify sec A (1_Sin A)(SecA+TanA)

Answers

Answered by soniaagarwal611

0

(secA)(1-sinA)(secA + tanA)

= (1/cosA)(1-sinA)(1/cosA + sinA/cosA)

= (1-sinA/cosA)(1+sinA/cosA)

= 1-sin²A/cos²A

= cos²A/cos²A

= 1

Hope that helps !!

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